Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
02/04/2024, 19:36
Behavioral task
behavioral1
Sample
update_2ffaca76.dll
Resource
win7-20240221-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
update_2ffaca76.dll
Resource
win10v2004-20240226-en
8 signatures
150 seconds
General
- Target update_2ffaca76.dll
- Size 69KB
- Sample240402-ya9bdabd46
- SHA256 65da6d9f781ff5fc2865b8850cfa64993b36f00151387fdce25859781c1eb711
- MD5 0ad82a3b229420b4cf52959f85cba82d
- SHA1 f59bb505d1ed4a7492c41195f19e99f1d568ef95
- SHA512 f428a42ee393c813eef5a6a8dc19bef50f89ff0b7017fe204f6f85bf6305df257012ab1dd2aff977c71fe34c734d478df875d9d6229aa230c98160fc016851ad
- SSDEEP 768:RDrkZkx7jOxAi0IIO99dKJKbATQVuyQw4n4mjlQmLvniWiMfDeDvCPdN:RD1dj1pO9CJKoQF4n4mjltqTMKD
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
latrodectus
C2
-
https://titnovacrion.top/live/
-
https://skinnyjeanso.com/live/
Signatures
- Latrodectus loader
Latrodectus is a loader written in C++.
- Detect larodectus Loader variant 2 8 IoCs
resource yara_rule behavioral2/memory/4528-0-0x00000211BBFD0000-0x00000211BBFE4000-memory.dmp family_latrodectus_v2 behavioral2/memory/4528-1-0x00000211BBFD0000-0x00000211BBFE4000-memory.dmp family_latrodectus_v2 behavioral2/memory/4528-4-0x0000000180000000-0x0000000180014000-memory.dmp family_latrodectus_v2 behavioral2/memory/4028-7-0x00000235F2D30000-0x00000235F2D44000-memory.dmp family_latrodectus_v2 behavioral2/memory/4528-6-0x00000211BBFD0000-0x00000211BBFE4000-memory.dmp family_latrodectus_v2 behavioral2/files/0x00080000000231f2-5.dat family_latrodectus_v2 behavioral2/memory/4028-9-0x00000235F2D30000-0x00000235F2D44000-memory.dmp family_latrodectus_v2 behavioral2/memory/4028-8-0x00000235F2D30000-0x00000235F2D44000-memory.dmp family_latrodectus_v2 - Deletes itself 1 IoCs
pid Process 4528 rundll32.exe - Loads dropped DLL 1 IoCs
pid Process 4028 rundll32.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4528 rundll32.exe 4528 rundll32.exe 4528 rundll32.exe 4528 rundll32.exe 4028 rundll32.exe 4028 rundll32.exe 4028 rundll32.exe 4028 rundll32.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 4528 rundll32.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4528 wrote to memory of 4028 4528 rundll32.exe 85 PID 4528 wrote to memory of 4028 4528 rundll32.exe 85 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\update_2ffaca76.dll,#11⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_9729806f.dll", #12⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4028
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Custom_update\Update_9729806f.dll
- Size 69KB
- SHA256 65da6d9f781ff5fc2865b8850cfa64993b36f00151387fdce25859781c1eb711
- MD5 0ad82a3b229420b4cf52959f85cba82d
- SHA1 f59bb505d1ed4a7492c41195f19e99f1d568ef95
- SHA512 f428a42ee393c813eef5a6a8dc19bef50f89ff0b7017fe204f6f85bf6305df257012ab1dd2aff977c71fe34c734d478df875d9d6229aa230c98160fc016851ad
- SSDEEP 768:RDrkZkx7jOxAi0IIO99dKJKbATQVuyQw4n4mjlQmLvniWiMfDeDvCPdN:RD1dj1pO9CJKoQF4n4mjltqTMKD
- MD5 SHA1 SHA512 SSDEEP